class Person:
    city = '北京'
    def __init__(self, name, age, hobby, app):
        self.name = name
        self.age = age
        self.hobby = hobby
        self.app = app
    @staticmethod
    def printMenu():
        print('------个人信息------')
    def printInfo(self):
        print('居住城市：', Person.city)
        print('姓名：', self.name)
        print('年龄：', self.age)
        print('爱好：', self.hobby)
        print('常用的APP：', self.app)
person1 = Person('小美', 22, '跑步', '腾讯视频、拼多多')
person1.printMenu()
person1.printInfo()
Person.city = '上海'
person2 = Person('小红', 21, '打羽毛球', '淘宝、微博')
person2.printMenu()
person2.printInfo()
